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Finding the Fourth Proportional to 549,613.44, 824,143.20 and 194,577.60

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Solution

The fourth proportional to 549,613.44, 824,143.20 and 194,577.60 is: 291,768.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,613.44 : 824,143.20 = 194,577.60 : x
  2. Step 2: Convert to fraction form
    549,613.44/824,143.20 = 194,577.60/x
  3. Step 3: Cross multiply
    549,613.44x = 824,143.20 × 194,577.60
  4. Step 4: Simplify right side
    549,613.44x = 160,359,805,912.32
  5. Step 5: Solve for x
    x = 160,359,805,912.32/549,613.44
  6. Step 6: Final answer
    x = 291,768.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.